at a summit in belgium, the nato secretary general said his military alliance is prepared to act against syria to defend turkey, but declined to specify any details. >> we have taken the steps necessary to make sure that we have plans in place to protect and defend turkey, but i think you understand very well why we cannot go into details when it comes to such plans. but obviously, turkey can rely on solidarity. let me stress once again, the focus on the international community should be to find a political solution to the conflict in syria. it is absolutely outrageous what we're witnessing. >> tens of thousands of anti austerity protesters gathered and athens, greece during a visit by the german chancellor. police fired tear gas and stun grenades as protesters tried to reach angela merkel, whom they hold the responsible for the deep cut greece is being forced to adopt in exchange for international bailout. tuesday's protest was one of the largest in months with dozens of protesters reportedly detained. in brazil, indigenous groups of occupy the construction of a major hydroelectric dam